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This is a tiled collection of the 3D Elevation Program (3DEP) and is 1 arc-second (approximately 30 m) resolution.The elevations in this Digital Elevation Model (DEM) represent the topographic bare-earth surface. The 3DEP data holdings serve as the elevation layer of The National Map, and provide foundational elevation information for earth science studies and mapping applications in the United States. Scientists and resource managers use 3DEP data for hydrologic modeling, resource monitoring, mapping and visualization, and many other applications.. The seamless 1 arc-second DEM layers are derived from diverse source data that are processed to a common coordinate system and unit of vertical measure. These data are...
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This is a tiled collection of the 3D Elevation Program (3DEP) and is 2 arc-second (approximately 60 m) resolution covering Alaska. The elevations in this Digital Elevation Model (DEM) represent the topographic bare-earth surface. The 3DEP data holdings serve as the elevation layer of The National Map, and provide foundational elevation information for earth science studies and mapping applications in the United States. Scientists and resource managers use 3DEP data for hydrologic modeling, resource monitoring, mapping and visualization, and many other applications. The seamless 2 arc-second DEM layers are derived from diverse source data that are processed to a common coordinate system and unit of vertical measure....
The 3DEP U.S. Geological Survey (USGS) Inland Bathymetric and Topobathymetric Survey Inventory for the conterminous US is a database for digital, geospatial three-dimensional bathymetric and topobathymetric datasets created as a resource for public and private science and engineering analyses and modeling. Initiated in 2018, the database includes all published USGS inland to coastal survey reports and datasets, if available, that were discovered through online research. The Inventory is updated as new published data become available. The long-term goal of the National Geospatial Program 3D Elevation Program is to collect and provide lidar-based 3D elevation products. Although topobathymetric lidar surveys are supported...


    map background search result map search result map 1 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection Alaska 2 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection U.S. Geological Survey Inland Bathymetric and Topobathymetric Survey Inventory, version 1 Alaska 2 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection U.S. Geological Survey Inland Bathymetric and Topobathymetric Survey Inventory, version 1 1 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection